tofsee | fa409a4ec066822a97f2e0b0e47a7f4ce9ea3d60025047252511719856cbbd4b

General

Target

fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe
Size

10.5MB
MD5

fb3e27d3a1c7970ab760ce424ae1baf3
SHA1

35068cd79a368496ff016e9744f5bfc5b46243a4
SHA256

fa409a4ec066822a97f2e0b0e47a7f4ce9ea3d60025047252511719856cbbd4b
SHA512

d02ff43ad01b2c7d8247efe13a2015c908e4e90b710580c1ef5fe15ac016703c14c20dbcbc62c68567f0656aea00f4d421da40e0f86d6ce17ae867fe73d81277
SSDEEP

49152:LRBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBL:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\utztxauq = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2604 netsh.exe

pid	process
2604	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\utztxauq\ImagePath = "C:\\Windows\\SysWOW64\\utztxauq\\roljvgvj.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2364 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

roljvgvj.exe

pid process

2360 roljvgvj.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

roljvgvj.exe

description pid process target process

PID 2360 set thread context of 2364 2360 roljvgvj.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2896 sc.exe
2572 sc.exe
2560 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2364	svchost.exe

pid	process
2360	roljvgvj.exe

description	pid	process	target process
PID 2360 set thread context of 2364	2360	roljvgvj.exe	svchost.exe

pid	process
2896	sc.exe
2572	sc.exe
2560	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exeroljvgvj.exe

description	pid	process	target process
PID 2812 wrote to memory of 2204	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2204	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2204	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2204	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2148	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2148	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2148	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2148	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	cmd.exe
PID 2812 wrote to memory of 2896	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2896	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2896	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2896	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2572	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2572	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2572	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2572	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2560	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2560	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2560	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2560	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	sc.exe
PID 2812 wrote to memory of 2604	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	netsh.exe
PID 2812 wrote to memory of 2604	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	netsh.exe
PID 2812 wrote to memory of 2604	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	netsh.exe
PID 2812 wrote to memory of 2604	2812	fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe	netsh.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe
PID 2360 wrote to memory of 2364	2360	roljvgvj.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\utztxauq\
2⤵
PID:2204

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\roljvgvj.exe" C:\Windows\SysWOW64\utztxauq\
2⤵
PID:2148

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create utztxauq binPath= "C:\Windows\SysWOW64\utztxauq\roljvgvj.exe /d\"C:\Users\Admin\AppData\Local\Temp\fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2896

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description utztxauq "wifi internet conection"
2⤵
- Launches sc.exe
PID:2572

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start utztxauq
2⤵
- Launches sc.exe
PID:2560

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
2⤵
- Modifies Windows Firewall
PID:2604

C:\Windows\SysWOW64\utztxauq\roljvgvj.exe
C:\Windows\SysWOW64\utztxauq\roljvgvj.exe /d"C:\Users\Admin\AppData\Local\Temp\fb3e27d3a1c7970ab760ce424ae1baf3_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2360

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\roljvgvj.exe

Filesize
13.5MB

MD5
acba291c734ab934e730a96f21860115

SHA1
cca126fce5786712448f8bd613ab157e0417065e

SHA256
7a98f25d0fe96e06d5b681843c682fcb10fd09ad069999727bffa8761d86edcd

SHA512
2b5aff3b0634d770b9d78ef772b50466f55450a8c9322669aff0e30339e118009484daabf1dda0f5b404cf1453a74b475cbe61528fad6144f313160e81d0c3f0

Download Submit
memory/2360-10-0x0000000000D80000-0x0000000000E80000-memory.dmp

Filesize
1024KB

Download
memory/2360-11-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2360-16-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2364-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2364-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2812-7-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2812-1-0x0000000000C80000-0x0000000000D80000-memory.dmp

Filesize
1024KB

Download
memory/2812-4-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2812-6-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2812-2-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads